input_datadict or google.cloud.texttospeech_v1.types.SynthesisInputtext input to be synthesized. See more: https://googleapis.github.io/google-cloud-python/latest/texttospeech/gapic/v1/types.html#google.cloud.texttospeech_v1.types.SynthesisInput
voicedict or google.cloud.texttospeech_v1.types.VoiceSelectionParamsconfiguration of voice to be used in synthesis. See more: https://googleapis.github.io/google-cloud-python/latest/texttospeech/gapic/v1/types.html#google.cloud.texttospeech_v1.types.VoiceSelectionParams
audio_configdict or google.cloud.texttospeech_v1.types.AudioConfigconfiguration of the synthesized audio. See more: https://googleapis.github.io/google-cloud-python/latest/texttospeech/gapic/v1/types.html#google.cloud.texttospeech_v1.types.AudioConfig
target_bucket_namestrname of the GCS bucket in which output file should be stored
target_filenamestrfilename of the output file.
project_idstrOptional, Google Cloud Project ID where the Compute Engine Instance exists. If set to None or missing, the default project_id from the Google Cloud connection is used.
gcp_conn_idstrOptional, The connection ID used to connect to Google Cloud. Defaults to 'google_cloud_default'.
retrygoogle.api_core.retry.Retry(Optional) A retry object used to retry requests. If None is specified, requests will not be retried.
timeoutfloat(Optional) The amount of time, in seconds, to wait for the request to complete. Note that if retry is specified, the timeout applies to each individual attempt.
impersonation_chainUnion[str, Sequence[str]]Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated).